LG 100QNED84BU vs Samsung QN85QN900FFXZA
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Choosing between the LG 100QNED84BU and Samsung QN85QN900FFXZA? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The LG 100QNED84BU scores higher in value, video quality. The Samsung QN85QN900FFXZA leads in form factor, room fit. They score similarly in gaming performance, ease of use, future-proofing.
On the display side, screen sizes differ at 100" vs 85". OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast. Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
These two TV options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
These two are closely matched — your decision comes down to your specific room setup and speaker pairing and budget.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Screen Size | 100" | 85" |
| Resolution | 4K | 8K |
| Panel Type | VA | VA |
| Backlight Type | mini-LED | mini-LED |
| Native Contrast Ratio | — | Quantum Mini LED Pro |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, HLG |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync | FreeSync |
| ALLM | Yes | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 2.2 | 4.2.2 |
| Dolby Atmos (Speakers) | Yes | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 4 |
| eARC Port | Yes | No |
| VESA Pattern | 600x400 | 600x400 |
| Processor | α8 AI Processor 4K Gen3 | NQ8 AI Gen2 Processor |
| Model Year | — | — |
Key Differences
- USB Type: LG 100QNED84BU at 2ea (v 2.0) vs Samsung QN85QN900FFXZA at 2 x USB-A
- Series Name: LG 100QNED84BU at QNED84 vs Samsung QN85QN900FFXZA at QN900F
- Processor: LG 100QNED84BU at α8 AI Processor 4K Gen3 vs Samsung QN85QN900FFXZA at NQ8 AI Gen2 Processor
- HDR Formats: LG 100QNED84BU at HDR10, Dolby Vision, HLG vs Samsung QN85QN900FFXZA at HDR10, HLG. Dolby Vision adds dynamic metadata that adjusts brightness scene-by-scene. HDR10 is the baseline. HDR10+ is Samsung's alternative to Dolby Vision.
- Smart OS: LG 100QNED84BU at webOS vs Samsung QN85QN900FFXZA at Tizen
Which Should You Choose?
Choose LG 100QNED84BU if you want:
- + larger 100" screen for more immersive viewing
Choose Samsung QN85QN900FFXZA if you want:
- + lighter weight for easier placement
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG 100QNED84BU and Samsung QN85QN900FFXZA compare to the rest of the field.
Best TV RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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